Have you tried re-syncing the content? Media Player should go out and get new licenses, if necessary.
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Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart Display\Security
Win 95/98/Me/XP Tweaks and Fixes
http://www.dougknox.com
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Per user Group Policy Restrictions for XP Home and XP Pro
http://www.dougknox.com/xp/utils/xp_securityconsole.htm
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"Timothy Hutchison" <timh2@attglobal.net> wrote in message news:es9EACQ9FHA.2696@TK2MSFTNGP11.phx.gbl...
> Recently my Samsung has stop playimg licensed downloaded songs from
> MusicMatch and MSN Music. I get the error message that it can obtain the
> device's certificate. In fact my entire music folder on the device has
> vanished. The problem appears to have start around the daylight saving time
> switch. For a few days the error message was that that date on the
> certicates did not match. I tried using the Samsung Recovery Utility which
> was useless. Questions: Do I have to reformat my YH-999 and if how?
>
>
>
